[clang] [Clang][P1061] Add stuctured binding packs (PR #121417)

[Younan Zhang via cfe-commits]

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@@ -50,16 +51,28 @@ class CollectUnexpandedParameterPacksVisitor
         auto *FTD = FD ? FD->getDescribedFunctionTemplate() : nullptr;
         if (FTD && FTD->getTemplateParameters()->getDepth() >= DepthLimit)
           return;
-      } else if (getDepthAndIndex(ND).first >= DepthLimit)
+      } else if (ND->isTemplateParameterPack() &&
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zyn0217 wrote:

Can you explain why you add ND->isTemplateParameterPack() ?

https://github.com/llvm/llvm-project/pull/121417
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